London - Arsenal manager Arsene Wenger says Alex Oxlade-Chamberlain will be out for up to four weeks with a hamstring injury, which is set to rule the midfielder out of two upcoming England games.
Oxlade-Chamberlain, who recently returned to the Arsenal team, pulled up with the injury during Arsenal's 2-1 win over Manchester United in the FA Cup on Monday.
Wenger says the 21-year-old Oxlade-Chamberlain will be out for "three weeks, four weeks maximum."
England plays a European Championship qualifier against Lithuania on March 27 and a international friendly with Italy in Turin, four days later.
Wenger says Jack Wilshere will miss a few more weeks while he recovers from minor ankle surgery.
Arsenal play West Ham United in the Premier League on Saturday.